Surface of a landscaping block



FIG. 1 is a front perspective view of a surface of a landscaping block;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front side elevational view thereof;

FIG. 5 is a rear side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

The portions of the landscaping block shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a surface of a landscaping block, as shown and described. 